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Table 4 Radiological features of pre-PCI brain metastases

From: Patterns of brain metastasis immediately before prophylactic cranial irradiation (PCI): implications for PCI optimization in limited-stage small cell lung cancer

Eligibility criteria for stereotactic radiotherapy

Patient #

Total no. of lesions (1 to 10)

Longest diameter (<  3 cm)

Largest lesion volume (<  10 mL)

Total tumor volume (<  15 mL)

No. of lesions in the HA region

#1

1

1.5

1.90

1.90

0

#2

1

0.5

0.10

0.10

0

#3

1

1.0

0.51

0.51

0

#4

1

0.8

0.33

0.33

0

#5

1

1.7

2.58

2.58

0

#6

1

1.2

0.97

0.97

0

#7

1

1.3

1.26

1.26

0

#8

1

0.7

0.20

0.20

0

#9

1

2.0

4.79

4.79

0

#10

1

2.4

7.54

7.54

0

#11

3

3.0

13.44

21.94

0

#12

3

6.2

109.88

135.37

0

#13

4

1.0

0.57

0.90

0

#14

4

3.0

14.27

24.82

0

#15

4

1.7

2.86

3.20

0

#16

4

1.6

2.24

3.75

0

#17

5

3.1

16.20

33.35

1

#18

6

1.3

1.19

5.08

0

#19

6

0.6

0.15

0.46

0

#20

7

2.3

6.38

11.90

0

#21

9

2.9

12.57

43.19

0

#22

12

1.8

3.16

15.69

0

#23

24

1.0

0.55

4.54

0

#24

28

0.9

0.39

5.85

1

  1. The eligibility criteria was adapted from JLGK0901 study (reference #10). Bold face indicates patients ineligible for stereotactic radiotherapy and the specific criteria they failed to meet
  2. Abbreviation: PCI Prophylactic cranial irradiation, HA region Hippocampal avoidance region